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Finding the Fourth Proportional to 440,098.89, 607,243.10 and 258,744.65

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Solution

The fourth proportional to 440,098.89, 607,243.10 and 258,744.65 is: 357,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,098.89 : 607,243.10 = 258,744.65 : x
  2. Step 2: Convert to fraction form
    440,098.89/607,243.10 = 258,744.65/x
  3. Step 3: Cross multiply
    440,098.89x = 607,243.10 × 258,744.65
  4. Step 4: Simplify right side
    440,098.89x = 157,120,906,351.25
  5. Step 5: Solve for x
    x = 157,120,906,351.25/440,098.89
  6. Step 6: Final answer
    x = 357,012.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.